ASTM F519 Hydrogen Embrittlement Testing of Metals

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ASTM F519 describes the mechanical test methods for coating and plating processes that can cause hydrogen embrittlement. Also, exposure to chemicals such as fluids, cleaning treatments or maintenance chemicals that come in contact with the plated, coated or bare surface of the steel, can also be evaluated.

What Is Hydrogen Embrittlement?

Hydrogen embrittlement affects titanium, aluminum alloys, high-strength steels, and other high-strength metals. Hydrogen invades the grain structure of the metal, making it brittle and subject to sudden and catastrophic failure.

Why Perform ASTM F519?

Companies who supply susceptible metal parts to the transportation and oil and gas industries are often required to perform hydrogen embrittlement testing. Fasteners, wire, and pipeline steels are commonly tested. Some companies have added hydrogen embrittlement test equipment to their test labs to meet the strict guidelines set forth in ASTM F519.

ASTM F519 Test Summary

ASTM F519 describes a sustained load (SLT method) hydrogen embrittlement test which is an ambient temperature test performed on machined specimens to determine if the base material is susceptible to hydrogen embrittlement. A series of four test samples are all loaded to a load for 200 hours at a stress of 75% of the yield strength of the materials being tested. Because the test is conducted under a constant load environment, multiple test samples (batch of four each) can be tested simultaneously by daisy chaining them. It takes 4 samples to perform each test.